:root{--space:#050814;--navy:#071525;--ink:#0b2436;--atlas:#0a3b63;--cyan:#4fd3ff;--ice:#dff3ff;--gold:#d4af6b;--muted:#9aafbf;--line:#bad9ef26;--display:'Sora',sans-serif;--body:'DM Sans',sans-serif;--gutter:5vw;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:105px}body{margin:0;background:var(--space);color:var(--ice);font-family:var(--body);font-size:16px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{font-family:var(--display);font-weight:400}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{border:0;color:inherit;cursor:pointer}button:disabled{opacity:.28;cursor:default}a{color:inherit;text-decoration:none}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}p{line-height:1.65}::selection{background:#4fd3ff55}[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:20px;top:-100px;background:var(--ice);color:var(--ink);padding:15px;z-index:100}.skip-link:focus{top:15px}.dialog-open{overflow:hidden}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;flex:none}
/* A single quiet navigation layer remains outside the moving picture. */
.site-header{position:fixed;inset:0 0 auto;height:88px;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:0 var(--gutter);background:linear-gradient(#050814f2,#050814a0,transparent);transition:background .25s}.brand{display:flex;align-items:center;gap:10px;font-size:18px;letter-spacing:.12em}.brand img{width:28px;height:28px}.site-header nav{display:flex;gap:32px;align-items:center;font-size:13px}.header-link{background:none;min-height:44px;padding:8px 0;display:flex;align-items:center;gap:10px;color:#c1d2de}.header-link:hover{color:white}.menu-symbol{color:#a1bfd2;font-size:20px}.header-cta{display:flex;align-items:center;gap:24px;min-height:44px;padding:10px 20px;border-radius:30px;border:1px solid #c0dce75e;background:#13203170;backdrop-filter:blur(12px)}.header-cta:hover{background:var(--ice);color:var(--ink)}.notebook-count{font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted)}.notebook-count:before{content:'('}.notebook-count:after{content:')'}.mobile-nav-label{display:none}
/* The supplied mark is the entire opening scene, without a separate decorative model. */
.spin-hero{position:relative;isolation:isolate;height:100svh;min-height:840px;max-height:1350px;overflow:hidden;background:var(--space)}.hero-atmosphere{position:absolute;inset:0;z-index:-1;mask-image:linear-gradient(transparent,#000 14%,#000 67%,transparent 98%);pointer-events:none}.spin-video{height:100%;width:100%;object-fit:cover;mix-blend-mode:screen}.hero-atmosphere:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0508145c,transparent 26%,transparent 72%,#0508145c),linear-gradient(0deg,#050814,transparent 42%)}.hero-identity{position:absolute;top:13%;left:0;right:0;text-align:center;pointer-events:none}.hero-identity>p{font-size:12px;letter-spacing:.02em;color:#bfd8e7}.atlas-word{font:400 clamp(110px,17.2vw,285px)/1.18 var(--display);letter-spacing:.11em;padding-left:.11em;color:#d8edff;opacity:.86;mask-image:linear-gradient(#000 6%,#0008 38%,#0000 93%)}.spin-interaction{position:absolute;top:30%;left:33%;width:34%;height:36%;border-radius:50%;cursor:grab;touch-action:pan-y}.spin-interaction.is-dragging{cursor:grabbing}.spin-controls{position:absolute;top:62%;left:50%;transform:translateX(-50%);display:flex;gap:28px;align-items:center;color:#bad0df;font-size:11px;white-space:nowrap}.spin-controls p{display:flex;align-items:center;gap:8px}.spin-controls svg{width:22px;height:16px;stroke:#b7d1df;stroke-width:1.2}.spin-controls button{background:none;min-height:44px;font-size:11px;display:flex;gap:10px;align-items:center;padding:0}.spin-controls button span:last-child{color:var(--cyan);font-size:15px}.hero-bottom{position:absolute;bottom:123px;left:var(--gutter);right:var(--gutter);display:flex;align-items:end;justify-content:space-between;gap:35px}.hero-bottom h1{font-size:clamp(38px,4.5vw,74px);letter-spacing:-.055em;line-height:1.12}.hero-invitation{max-width:380px}.hero-invitation>p{font-size:15px;line-height:1.65;color:#acc5d6}.hero-edge{position:absolute;bottom:30px;left:var(--gutter);right:var(--gutter);display:flex;align-items:center;gap:28px;min-height:44px;font-size:11px;color:#8da8bb}.edge-line{height:1px;background:linear-gradient(90deg,#4fd3ff66,#a7c8db20);flex:1;position:relative}.edge-line:before{content:'';position:absolute;top:-2px;left:0;height:5px;width:5px;border-radius:50%;background:var(--cyan)}
/* Native scroll governs the full-resolution picture. Captions occupy its negative space. */
.story{height:14300svh;position:relative;overflow-anchor:none}.stage{position:sticky;top:0;height:100svh;min-height:620px;overflow:hidden;isolation:isolate;background:#050814}.film-viewport{position:absolute;inset:0 0 64px;z-index:-1;overflow:hidden;background:#050814}.story-video{width:100%;height:100%;object-fit:cover;display:block}.film-shade{position:absolute;inset:0;background:linear-gradient(0deg,#050814 0%,#050814eb 6%,#050814ab 23%,#05081420 52%,#05081400 65%),linear-gradient(90deg,#05081440,transparent 65%)}.stage-topline{position:absolute;top:106px;left:var(--gutter);right:var(--gutter);display:flex;justify-content:space-between;align-items:center;font-size:12px}.journey-id{display:flex;align-items:center;gap:12px;text-shadow:0 2px 12px #000}.journey-instruction{color:#aabfcd;margin-left:8px;font-size:11px}.film-tools button{background:#05081475;backdrop-filter:blur(8px);min-height:44px;padding:10px 15px;border:1px solid #c3e0eb2b;display:flex;gap:10px;align-items:center;font-size:12px;border-radius:22px}.view-icon{display:block;width:13px;height:10px;border:1px solid}.annotation-band{position:absolute;bottom:100px;left:var(--gutter);width:min(570px,48vw)}.story-kicker{font-size:12px;color:#a6d6e8;margin-bottom:14px}.story-content h2{font-size:clamp(32px,3.1vw,52px);line-height:1.15;letter-spacing:-.042em;white-space:pre-line;text-wrap:balance}.story-description{font-size:16px;line-height:1.7;color:#ccdee9;max-width:520px;margin-top:21px}.story-detail{font-size:12px;line-height:1.65;color:#a0b7c7;margin-top:12px;max-width:480px}.annotation-actions{display:flex;align-items:center;gap:30px;margin-top:25px}.moment-controls{display:flex;align-items:center;gap:18px;font-size:12px;flex:none;font-variant-numeric:tabular-nums}.moment-controls button{width:36px;height:44px;background:none;padding:0;font-size:24px}.moment-controls button:hover{color:var(--cyan)}.moment-controls i{font-style:normal;color:#91aaba;font-size:11px}.inspect-link{min-height:44px;background:none;padding:0;display:flex;align-items:center;gap:14px;text-align:left;font-size:12px;line-height:1.4;color:#abc9db}.inspect-link span:last-child{font-size:21px;color:var(--cyan)}.inspect-link:hover{color:white}.scene-inquiry{position:absolute;right:var(--gutter);bottom:111px;width:min(340px,28vw)}.inquiry-intro{font-size:12px;margin-bottom:10px;color:#a8c7da}.inquiry-options{display:flex;flex-wrap:wrap;gap:7px}.inquiry-options button{background:#09182b96;backdrop-filter:blur(12px);border:1px solid #b8dbef45;border-radius:5px;min-height:44px;padding:10px 13px;font-size:12px;color:#d6e7ef;display:flex;align-items:center;gap:14px}.inquiry-options button>span{font-size:16px;color:#75cdec}.inquiry-options button[aria-expanded=true]{background:#dff3ff;color:#153749;border-color:#dff3ff}.inquiry-options button[aria-expanded=true]>span{color:#153749}.inquiry-options button:hover{border-color:#bfeafc}.inquiry-answer{border-top:1px solid #afdbef6c;background:linear-gradient(130deg,#091a2cef,#091827e0);backdrop-filter:blur(18px);padding:16px 20px 19px;margin-bottom:22px;border-radius:0 0 6px 6px;box-shadow:0 12px 40px #0002}.inquiry-answer-top{display:flex;align-items:center;justify-content:space-between;color:#9ac7de;font-size:11px}.inquiry-answer-top button{background:none;min-width:32px;height:32px;font-size:24px;padding:0}.inquiry-answer h3{font-size:21px;line-height:1.35;letter-spacing:-.025em;margin-top:12px}.inquiry-body>p{font-size:14px;line-height:1.6;color:#bad0df;margin-top:12px}.inquiry-answer ul{list-style:none;padding:0;margin:18px 0 0;font-size:12px;line-height:1.5;color:#bdd7e6}.inquiry-answer li{padding:9px 0 9px 16px;position:relative;border-top:1px solid #b3d7e221}.inquiry-answer li:before{content:'';position:absolute;left:0;top:16px;width:4px;height:4px;background:#d4af6b;border-radius:50%}.inquiry-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:10px}.inquiry-actions .save-question{margin:0;font-size:11px;gap:7px}.inquiry-actions>button:last-child{background:none;font-size:11px;min-height:44px;padding:0;color:#9fbccd}.journey-rail{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;gap:25px;height:64px;padding:0 var(--gutter);background:#050814e8}.chapter-index-button{width:32px;min-height:44px;background:none;padding:5px;flex:none}.chapter-index-button svg{width:18px;height:18px;fill:none;stroke:#bed5e3;stroke-width:1}.chapter-nav{display:flex;flex:1;height:100%;gap:20px}.scene-tab{position:relative;flex:1;background:transparent;min-height:44px;font-size:11px;padding:0;color:#90aabc;white-space:nowrap}.scene-tab:before{content:'';position:absolute;left:0;right:0;top:0;height:1px;background:#a5ccdf20}.scene-tab:after{content:'';position:absolute;left:0;top:0;height:1px;background:var(--cyan);width:var(--scene-progress,0)}.scene-tab.active{color:#d8effa}.scene-tab:hover{color:var(--cyan)}.chapter-number{display:none}.film-next-step{font-size:12px;display:flex;align-items:center;gap:15px;min-height:44px;padding-left:25px;margin-left:5px;border-left:1px solid #c1dbea2b}.film-next-step>span{color:var(--gold);font-size:18px}.mobile-scene-select{display:none}.progress-track{position:absolute;bottom:0;left:0;right:0;height:2px;z-index:5;background:#224355}#progressFill{height:100%;background:var(--cyan)}#filmScrubber{position:absolute;bottom:0;left:0;margin:0;appearance:none;width:100%;height:10px;background:transparent;cursor:ew-resize}#filmScrubber::-webkit-slider-runnable-track{height:2px;background:transparent}#filmScrubber::-webkit-slider-thumb{appearance:none;width:10px;height:10px;border-radius:50%;background:var(--ice);margin-top:-4px;opacity:0}#filmScrubber:focus-visible::-webkit-slider-thumb,#filmScrubber:hover::-webkit-slider-thumb{opacity:1}.cinema-mode .annotation-band,.cinema-mode .scene-inquiry{display:none}.cinema-mode .film-shade{background:linear-gradient(#05081488,transparent 20%)}.cinema-mode .story-video{object-fit:contain}.film-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:18px;background:var(--space);font-size:14px;flex-direction:column;text-align:center;padding:30px}.film-loading img{width:40px}.film-loading button{min-height:44px;background:var(--ice);color:var(--ink);padding:12px 22px;border-radius:24px}
/* A conversation replaces the disconnected model and paper report. */
.project-planner{padding:125px var(--gutter) 90px;position:relative;background:radial-gradient(ellipse at 50% 5%,#0a3b6366,transparent 65%),var(--space)}.planner-heading{text-align:center;max-width:850px;margin:auto}.plan-symbol{display:grid;place-items:center;margin-bottom:25px}.plan-symbol img{width:43px;height:43px}.planner-heading>p:first-of-type{font-size:13px;color:#a6c8db;margin-bottom:15px}.planner-heading h2{font-size:clamp(36px,4.7vw,73px);letter-spacing:-.055em;line-height:1.1}.planner-heading>p:last-child{font-size:16px;color:#a9c3d5;margin-top:24px;line-height:1.7}.plan-form{max-width:1030px;margin:60px auto 0;text-align:center}.plan-sentence{display:flex;align-items:center;justify-content:center;gap:20px;margin:20px 0;font:400 clamp(23px,2.8vw,43px)/1.35 var(--display);letter-spacing:-.04em}.plan-sentence>label{color:#7896ad}.select-wrap{position:relative;border-bottom:1px solid #a3d7ed88;display:flex;align-items:center}.select-wrap select{background:none;border:0;padding:8px 35px 10px 0;min-height:54px;color:var(--ice);font:inherit;letter-spacing:inherit;appearance:none;max-width:100%;cursor:pointer;field-sizing:content}.select-wrap>span{position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:23px;color:#78d8ff;pointer-events:none}.select-wrap option{font:400 16px var(--body);color:var(--ice);background:var(--navy)}.create-brief{display:flex;gap:32px;align-items:center;justify-content:center;margin:45px auto 0;min-height:56px;border-radius:32px;padding:15px 27px;background:var(--ice);color:var(--ink);font-size:14px;transition:background .2s,transform .2s}.create-brief:hover{background:var(--cyan);transform:translateY(-2px)}.create-brief span{font-size:21px}.plan-privacy{font-size:11px;color:#839fb3;margin-top:16px}.planner-workspace{max-width:1260px;margin:0 auto}.project-brief{border-top:1px solid #91c4e34d;margin-top:65px;padding-top:28px;scroll-margin-top:110px}.brief-masthead{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#99c4dc;margin-bottom:32px}.brief-masthead button{background:none;font-size:12px;min-height:44px;color:#a9c9db;padding:0;display:flex;gap:20px;align-items:center}.brief-context{font-size:12px;color:#8facbf;margin-bottom:14px}.project-brief h3{font-size:34px;line-height:1.3;letter-spacing:-.045em}.brief-summary{font-size:16px;color:#b7cedc;max-width:720px;margin-top:17px}.brief-steps{padding:0;margin:40px 0;list-style:none;display:grid;grid-template-columns:1fr 1fr 1fr;gap:4vw}.brief-steps li{display:flex;gap:17px}.brief-steps li>span{font-size:12px;color:var(--gold);padding-top:5px}.brief-steps h4{font-size:17px;line-height:1.5;margin-bottom:12px}.brief-steps p{font-size:15px;line-height:1.7;color:#acc7d8}.brief-evidence{padding:5px 0;border-block:1px solid var(--line)}.brief-evidence summary{display:flex;align-items:center;justify-content:space-between;min-height:52px;cursor:pointer;font-size:14px;list-style:none}.brief-evidence summary::-webkit-details-marker{display:none}.brief-evidence summary>span{font-size:23px;color:var(--cyan)}.brief-evidence[open] summary>span{transform:rotate(45deg)}.brief-evidence ul{padding:0 0 15px 18px;color:#a8c6d8;font-size:14px;line-height:1.7}.brief-evidence li+li{margin-top:7px}.brief-outcome{padding:27px 0;font-size:17px;max-width:860px}.brief-outcome>span{font-size:12px;display:block;color:var(--gold);margin-bottom:8px}.brief-outcome>strong{font-weight:400}.brief-boundary{color:#839fb1;font-size:12px;max-width:550px;line-height:1.65}.brief-actions{display:flex;align-items:center;gap:28px;margin-top:26px;font-size:13px}.brief-actions>a{display:flex;gap:24px;align-items:center;min-height:48px}.brief-actions>a:first-child{padding:13px 23px;border-radius:26px;background:var(--ice);color:var(--ink)}.brief-actions>a:first-child:hover{background:var(--cyan)}.copy-brief{background:none;font-size:12px;min-height:44px;padding:0;color:#abc9db;margin-top:13px}.brief-status{font-size:12px;color:#9fd7ee;margin-top:8px;min-height:20px}.brief-saved{padding:26px 0}.brief-saved>div{display:flex;justify-content:space-between;align-items:center;gap:20px}.brief-saved h4{font-size:17px}.brief-saved button{background:none;min-height:44px;color:#9dc4d9;font-size:12px}.brief-saved ul{list-style:none;padding:0;margin:12px 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}.brief-saved li strong{font-size:15px;font-weight:500}.brief-saved li p{font-size:13px;color:#a4bdcd;margin-top:5px}.brief-saved>p{font-size:12px;color:#8ca7ba}.brief-scene-jump{display:flex;align-items:center;gap:24px;margin:40px auto 0;font-size:12px;min-height:44px;background:none;color:#a6c3d6}.brief-scene-jump>span:last-child{color:var(--cyan);font-size:19px}
.invitation{padding:85px var(--gutter) 0;overflow:hidden;text-align:center;background:#071321}.invitation>p{font-size:13px;color:#91b3c9;margin-bottom:20px}.invitation h2{font-size:clamp(32px,4.2vw,62px);line-height:1.2;letter-spacing:-.05em}.invitation>a{display:flex;align-items:center;justify-content:center;gap:30px;font-size:15px;min-height:50px;margin:25px auto 70px;width:max-content;border-bottom:1px solid #aecfdf66}.invitation>a>span{color:var(--gold);font-size:23px}.closing-word{font:500 15.3vw/.9 var(--display);letter-spacing:-.06em;white-space:nowrap;color:#c1e4f3;mask-image:linear-gradient(#0007,#0002);margin:0 -2vw -.025em}.site-footer{display:flex;align-items:center;gap:35px;padding:25px var(--gutter);background:#071321;border-top:1px solid var(--line);font-size:11px;color:#8caabc}.footer-brand{font-size:15px;letter-spacing:.1em;color:#d5e8f3}.footer-brand span{margin-left:15px;color:#779cb6;font-size:10px;letter-spacing:.15em}.site-footer>a:last-child{margin-left:auto;min-height:44px;display:flex;align-items:center}
dialog{color:var(--ice);border:0;background:#0a1b2b;padding:0}dialog::backdrop{background:#010712ba;backdrop-filter:blur(6px)}.chapter-dialog{width:100%;max-width:none;height:100svh;max-height:none;margin:0;padding:0 var(--gutter) 30px;overflow-y:auto}.chapter-dialog-top{height:87px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.chapter-dialog-top>button{display:flex;align-items:center;gap:22px;min-height:44px;background:none;font-size:12px}.chapter-dialog-top>button span{font-size:27px}.chapter-dialog-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin:45px 0 30px}.chapter-dialog h2{font-size:52px;line-height:1.07;letter-spacing:-.045em}.chapter-dialog-heading>p{font-size:14px;color:#a6bfd0;max-width:300px}.chapter-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:5vw}.chapter-card{display:grid;grid-template-columns:32px 1fr 25px;gap:12px;text-align:left;background:none;border-bottom:1px solid var(--line);padding:21px 0;align-items:center}.chapter-card>span:first-child{font-size:11px;color:var(--gold)}.chapter-card h3{font-size:21px;letter-spacing:-.025em}.chapter-card p{font-size:11px;color:#a5bed0;margin-top:6px}.chapter-card>span:last-child{font-size:22px;color:#779cb3;transition:transform .2s}.chapter-card:hover>span:last-child{transform:translate(3px,-3px);color:var(--cyan)}.chapter-dialog-bottom{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:29px;font-size:11px;color:#9cbbcd}.chapter-dialog-bottom a{color:var(--ice);min-height:44px;display:flex;align-items:center}
.inspect-dialog,.notebook-dialog{position:fixed;inset:0 0 0 auto;margin:0;width:min(610px,100%);max-width:100%;height:100svh;max-height:100svh;overflow-y:auto}.inspector-header,.notebook-top{position:sticky;top:0;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:22px;background:#0a1b2bef;backdrop-filter:blur(12px);padding:18px 32px;border-bottom:1px solid var(--line);font-size:11px;color:#a7c1d2}.inspector-header>span,.notebook-top>span{display:flex;align-items:center;gap:8px}.inspector-header button,.notebook-top button{background:none;font-size:27px;min-width:44px;height:44px}.inspector-content{padding:30px 34px 45px}.eyebrow{font-size:11px;color:#8eb3c9;margin-bottom:12px}.inspector-content>h2{font-size:38px;line-height:1.12;letter-spacing:-.04em}.scene-diagram{position:relative;height:260px;margin-top:25px}.diagram-svg{position:absolute;inset:0;width:100%;height:100%}.diagram-line{fill:none;stroke:#77c6ec7c;stroke-width:1.2}.diagram-label{font-size:10px;text-anchor:middle;fill:#8aaabc}.diagram-shape{fill:#16456788;stroke:#7bd6ff70;transition:fill .2s}.diagram-shape.selected{fill:#32bcf544;stroke:var(--cyan)}.diagram-node{position:absolute;transform:translate(-50%,-50%);padding:8px 12px;border:1px solid #5a849c;border-radius:30px;background:#0b283e;font-size:11px;white-space:nowrap;min-height:40px}.diagram-node[aria-pressed=true]{color:var(--ink);background:#b4e8ff;border-color:#b4e8ff}.diagram-centre{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;flex-direction:column;font-size:10px;gap:9px}.diagram-centre img{width:37px}.diagram-footnote{position:absolute;bottom:-20px;left:0;right:0;text-align:center;font-size:10px;color:#8dafc4}.diagram-note{font-size:10px;color:#82a6bd;text-align:center;margin:24px 0}.explorer-tabs{display:flex;gap:19px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow:auto}.explorer-tab{background:none;min-height:44px;padding:8px 0;font-size:12px;color:#91afc3;white-space:nowrap}.explorer-tab[aria-selected=true]{color:var(--cyan);border-bottom:1px solid var(--cyan)}#explorePanel h3{font-size:23px;line-height:1.25;margin-bottom:17px}#exploreParagraphs p{font-size:14px;color:#b8d0df;margin-bottom:12px}#explorePanel h4{font-size:12px;font-weight:500;margin:25px 0 12px}#exploreChecks{padding-left:19px;margin:0;color:#b4cbd9;font-size:13px;line-height:1.7}#exploreChecks li+li{margin-top:7px}.explore-next{padding:18px 20px;border-left:2px solid var(--gold);background:#19344a;margin-top:23px}.explore-next span{color:var(--gold);font-size:10px}.explore-next p{font-size:13px;margin-top:8px}.save-question{display:flex;align-items:center;gap:15px;padding:8px 0;background:none;min-height:44px;font-size:12px;margin-top:20px}.save-question>span:first-child{font-size:22px;color:var(--cyan)}.save-status{font-size:11px;color:#9dbccd;min-height:17px}.notebook-intro{padding:30px 34px}.notebook-intro h2{font-size:42px;line-height:1.1;letter-spacing:-.045em;margin-bottom:19px}.notebook-intro>p:last-child{color:#a8c5d7;font-size:14px}.notebook-empty{padding:25px 34px 50px}.notebook-empty>span{display:block;font-size:40px;color:var(--cyan);margin-bottom:16px}.notebook-empty h3{font-size:23px}.notebook-empty p{font-size:14px;color:#9ebbd0;margin-top:13px}.notebook-empty button,.notebook-bottom button{background:var(--ice);color:var(--ink);border-radius:25px;padding:13px 20px;font-size:12px;min-height:44px;margin-top:20px}.notebook-list{list-style:none;padding:0 34px;margin:0}.notebook-list>li{position:relative;padding:22px 0 24px 36px;border-top:1px solid var(--line)}.note-number{position:absolute;top:25px;left:0;color:var(--gold);font-size:11px}.notebook-context{font-size:10px;color:#8ab3ce;margin-bottom:9px}.notebook-list h3{font-size:21px;line-height:1.25}.notebook-list ul{font-size:12px;color:#adc5d7;line-height:1.7;padding-left:17px;margin:15px 0}.note-actions{display:flex;gap:22px}.note-actions button{background:none;min-height:44px;padding:0;font-size:11px;color:#a6c8df}.note-actions button:first-child{color:var(--cyan)}.notebook-bottom{padding:25px 34px 40px;border-top:1px solid var(--line)}.notebook-bottom>p{font-size:11px;color:#85a8c0}.note-toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:50;display:flex;gap:20px;align-items:center;max-width:90vw;padding:12px 20px;border-radius:30px;background:var(--ice);color:var(--ink);font-size:12px;box-shadow:0 10px 50px #0005}.note-toast button{background:none;color:#1a6180;font-size:11px;white-space:nowrap;min-height:32px}
/* Matching reading surfaces; evidence does not need another decorative diagram. */
.inspect-dialog .scene-diagram,.inspect-dialog .diagram-note{display:none}.inspector-content>h2{font-size:32px;line-height:1.25;letter-spacing:-.035em}.explorer-tabs{margin-top:30px}.inspector-content{padding-bottom:48px}#exploreParagraphs p{font-size:16px;line-height:1.75}#exploreChecks{font-size:15px}#explorePanel h3{font-size:24px}.explore-next p{font-size:15px}.chapter-dialog h2{font-size:44px}.chapter-card p{font-size:13px}.chapter-card h3{font-size:21px}.chapter-dialog-bottom{font-size:12px}.save-question{min-height:44px}.inspector-header,.notebook-top{font-size:12px}
@media(min-width:1700px){.hero-bottom{bottom:145px}.hero-identity{top:11%}.annotation-band{bottom:115px;width:620px}.story-content h2{font-size:57px}.story-description{font-size:18px;max-width:600px}.story-detail{font-size:14px;max-width:600px}.scene-inquiry{width:390px;bottom:135px}.inquiry-intro,.inquiry-options button{font-size:14px}.inquiry-body>p{font-size:16px}.inquiry-answer li{font-size:14px}.inquiry-answer h3{font-size:25px}.scene-tab{font-size:13px}.hero-invitation{max-width:425px}.hero-invitation>p{font-size:17px}}
@media(max-width:1050px){:root{--gutter:4vw}.site-header nav{gap:22px}.hero-bottom h1{font-size:46px}.hero-invitation{max-width:320px}.hero-invitation>p{font-size:14px}.hero-identity{top:16%}.spin-video{object-fit:cover}.scene-inquiry{width:285px}.annotation-band{width:52vw;bottom:100px}.story-description{font-size:15px}.story-content h2{font-size:36px}.story-detail{font-size:12px}.chapter-nav{gap:12px}.scene-tab{font-size:10px}.journey-rail{gap:17px}.film-next-step{font-size:11px;padding-left:14px;gap:12px}.plan-sentence{font-size:30px;gap:16px}.project-planner{padding-top:100px}.brief-steps{gap:28px}.brief-steps li{display:block}.brief-steps li>span{display:block;margin-bottom:14px}.hero-edge{gap:22px}}
@media(max-height:790px) and (min-width:701px){.spin-hero{min-height:710px}.hero-bottom{bottom:100px}.hero-bottom h1{font-size:45px}.hero-identity{top:12%}.atlas-word{font-size:15vw}.spin-controls{top:59%}.stage{min-height:580px}.stage-topline{top:92px}.annotation-band{bottom:86px}.story-content h2{font-size:34px}.story-description{font-size:14px;line-height:1.65;margin-top:17px}.story-detail{display:none}.annotation-actions{margin-top:14px}.scene-inquiry{bottom:97px}.inquiry-answer h3{font-size:18px}.inquiry-body>p{font-size:13px}.inquiry-answer li{padding-block:6px}.inquiry-answer{margin-bottom:12px}.inquiry-answer ul{margin-top:10px}}
@media(max-width:700px){:root{--gutter:24px}html{scroll-padding-top:78px}.site-header{height:72px;background:linear-gradient(#050814f5,#050814b0,transparent)}.brand{font-size:15px;gap:8px}.brand img{width:25px;height:25px}.site-header nav{gap:15px}.header-link{font-size:12px}.desktop-nav-label{display:none}.mobile-nav-label{display:inline}.notebook-trigger{display:none}.header-cta{padding:8px 13px;font-size:11px;gap:12px;min-height:40px}.menu-symbol{font-size:18px}.spin-hero{min-height:800px;height:100svh;max-height:1100px}.hero-atmosphere{inset:65px -68% 130px;mask-image:linear-gradient(transparent,#000 10%,#000 63%,transparent 100%)}.spin-video{object-fit:contain}.hero-identity{top:130px}.hero-identity>p{font-size:11px}.atlas-word{font-size:20vw;letter-spacing:.08em;padding-left:.08em;line-height:1.5}.spin-interaction{top:245px;left:15%;width:70%;height:230px}.spin-controls{top:470px;gap:22px;font-size:10px}.spin-controls button{font-size:10px}.hero-bottom{display:block;bottom:87px}.hero-bottom h1{font-size:39px;line-height:1.15;letter-spacing:-.05em}.hero-invitation{max-width:none;margin-top:19px}.hero-invitation>p{font-size:13px;line-height:1.7;max-width:330px}.hero-invitation>p br:nth-child(2){display:none}.hero-edge{bottom:15px;font-size:10px;gap:18px}.hero-edge>span:last-child{display:none}.stage{min-height:0;height:100svh;display:flex;flex-direction:column;padding:72px 0 55px}.film-viewport{position:relative;inset:auto;z-index:0;height:auto;aspect-ratio:16/10;flex:none;width:100%}.story-video{object-fit:cover}.film-shade{background:linear-gradient(0deg,#050814,#05081400 30%)}.stage-topline{top:79px;left:24px;right:24px;z-index:2;font-size:11px}.journey-instruction{display:none}.film-tools button{font-size:10px;min-height:34px;padding:7px 10px;gap:7px}.view-icon{width:10px;height:8px}.annotation-band{position:relative;left:auto;bottom:auto;width:auto;padding:13px 24px 0;flex:1;min-height:0;display:flex;flex-direction:column;justify-content:space-between;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}.story-kicker{font-size:11px;margin-bottom:11px}.story-content h2{font-size:28px;line-height:1.2;letter-spacing:-.04em}.story-description{font-size:14px;line-height:1.65;margin-top:16px}.story-detail{font-size:12px;line-height:1.6;margin-top:10px}.annotation-actions{margin-top:12px;gap:20px;padding-bottom:8px}.moment-controls{font-size:11px;gap:12px}.moment-controls button{font-size:21px;width:30px;height:44px}.inspect-link{font-size:11px;gap:9px;line-height:1.5;margin-left:auto}.inspect-link>span:first-child{max-width:160px}.scene-inquiry{position:relative;right:auto;bottom:auto;width:auto;margin:0 24px 9px;flex:none}.inquiry-intro{display:none}.inquiry-options{gap:6px}.inquiry-options button{font-size:11px;min-height:37px;padding:8px 11px;gap:10px;background:#0c2033;border-radius:4px}.inquiry-answer{position:absolute;bottom:calc(100% + 0px);left:-8px;right:-8px;padding:16px 19px;margin:0 0 12px;background:#091a2cfb;max-height:calc(100svh - 210px);overflow:auto;box-shadow:0 -15px 70px #0006;border:1px solid #537c934d;border-top-color:#77b8d2}.inquiry-answer h3{font-size:21px}.inquiry-body>p{font-size:14px}.inquiry-answer ul{font-size:12px}.inquiry-options button>span{font-size:14px}.journey-rail{height:55px;padding:0 24px;gap:16px}.chapter-nav{display:none}.chapter-index-button{width:22px}.chapter-index-button svg{width:15px}.mobile-scene-select{display:flex;gap:10px;align-items:center;font-size:0;flex:1}.mobile-scene-select select{font-size:11px;background:#050814;color:var(--ice);border:0;min-height:44px;padding:0 4px;max-width:160px}.film-next-step{font-size:11px;padding-left:0;margin:0;border:0;gap:8px}.stage.cinema-mode .film-viewport{height:100%;aspect-ratio:auto}.stage.cinema-mode .annotation-band,.stage.cinema-mode .scene-inquiry{display:none}.project-planner{padding:78px 24px 45px}.planner-heading h2{font-size:36px;line-height:1.13;letter-spacing:-.05em}.planner-heading>p:first-of-type{font-size:12px}.planner-heading>p:last-child{font-size:14px;line-height:1.7;margin-top:20px}.planner-heading>p:last-child br{display:none}.plan-symbol{margin-bottom:23px}.plan-symbol img{width:35px}.plan-form{margin-top:38px}.plan-sentence{display:block;text-align:left;margin:22px 0;font-size:23px;letter-spacing:-.035em}.plan-sentence>label{font:400 13px var(--body);letter-spacing:0;display:block;margin-bottom:3px;color:#8dacbf}.select-wrap{width:100%}.select-wrap select{width:100%;min-height:52px;padding-right:24px;letter-spacing:-.035em}.select-wrap>span{font-size:23px}.create-brief{margin-top:32px;font-size:13px;width:100%;justify-content:space-between;padding:14px 22px;min-height:53px}.plan-privacy{font-size:11px}.project-brief{margin-top:43px;scroll-margin-top:83px}.brief-masthead{font-size:11px;gap:18px;margin-bottom:23px}.brief-masthead button{font-size:11px;gap:12px}.brief-context{font-size:11px}.project-brief h3{font-size:28px}.brief-summary{font-size:15px}.brief-steps{display:block;margin:28px 0}.brief-steps li{display:flex;gap:17px;margin-top:24px}.brief-steps li>span{margin:0;line-height:1.6;padding-top:2px;min-width:18px}.brief-steps h4{font-size:16px;margin-bottom:10px}.brief-steps p{font-size:14px}.brief-evidence summary{font-size:12px;line-height:1.5;gap:18px}.brief-evidence ul{font-size:13px}.brief-outcome{font-size:16px}.brief-boundary{font-size:11px}.brief-actions{gap:21px;flex-wrap:wrap;font-size:12px}.brief-actions>a:first-child{padding:12px 18px}.brief-saved ul{display:block}.brief-saved li+li{margin-top:20px}.invitation{padding:65px 24px 0}.invitation>p{font-size:12px}.invitation h2{font-size:34px}.invitation>a{font-size:13px;margin-top:24px;margin-bottom:50px}.closing-word{font-size:15vw;margin-inline:-4vw}.site-footer{flex-wrap:wrap;padding:23px 24px;gap:12px 24px;font-size:10px}.footer-brand{font-size:12px}.footer-brand>span{font-size:9px;margin-left:10px}.site-footer p{display:none}.site-footer>a:last-child{margin-left:auto}.chapter-dialog-top{height:72px}.chapter-dialog-top .brand{font-size:11px}.chapter-dialog-heading{display:block;margin:35px 0 25px}.chapter-dialog h2{font-size:34px;line-height:1.2}.chapter-dialog-heading>p{font-size:14px;margin-top:20px}.chapter-grid{grid-template-columns:1fr}.chapter-card{grid-template-columns:25px 1fr 23px;padding:21px 0;gap:13px}.chapter-card h3{font-size:20px}.chapter-card p{font-size:12px}.chapter-dialog-bottom{flex-wrap:wrap;font-size:12px;gap:12px}.inspector-header,.notebook-top{padding:10px 20px}.inspector-content,.notebook-intro{padding:27px 24px 35px}.inspector-content>h2{font-size:29px}.explorer-tabs{gap:18px;margin-top:23px}.explorer-tab{font-size:12px}#explorePanel h3{font-size:22px}#exploreParagraphs p{font-size:15px}#exploreChecks{font-size:14px}.notebook-intro h2{font-size:35px}.notebook-empty,.notebook-bottom{padding-inline:24px}.notebook-list{padding-inline:24px}.note-toast{font-size:11px;padding:10px 15px;gap:14px}}
@media(max-width:700px) and (min-height:900px){.spin-hero{min-height:900px}.hero-identity{top:145px}.hero-atmosphere{inset:85px -68% 140px}.spin-interaction{top:280px}.spin-controls{top:520px}.hero-bottom{bottom:105px}.hero-bottom h1{font-size:43px}}
@media(max-width:700px) and (max-height:740px){.story-detail{display:none}.stage .film-viewport{aspect-ratio:16/8}.story-content h2{font-size:25px}.story-description{font-size:13px;margin-top:12px}.annotation-band{padding-top:8px}.annotation-actions{margin-top:8px}.story-kicker{font-size:10px;margin-bottom:8px}.inquiry-options button{min-height:34px;font-size:10px}.scene-inquiry{margin-bottom:7px}.inspect-link{font-size:10px}.inquiry-answer{max-height:calc(100svh - 180px)}}
@media(max-width:380px){:root{--gutter:20px}.header-cta{display:none}.hero-bottom h1{font-size:35px}.hero-identity{top:130px}.hero-bottom{bottom:85px}.hero-invitation>p{font-size:12px}.spin-hero{min-height:800px}.hero-atmosphere{inset:90px -80% 190px}.spin-controls{top:455px}.stage-topline{left:20px;right:20px}.annotation-band{padding-inline:20px}.scene-inquiry{margin-inline:20px}.journey-rail{padding-inline:20px;gap:10px}.film-next-step{font-size:10px}.mobile-scene-select select{max-width:142px}.inquiry-options{gap:5px}.planner-heading h2{font-size:32px}.plan-sentence{font-size:20px}.invitation h2{font-size:31px}.inspect-link>span:first-child{max-width:120px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}html[data-motion=reduce] *,html[data-motion=reduce] *:before,html[data-motion=reduce] *:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
/* Keep rotation controls legible over every frame of the supplied mark. */
@media(min-width:701px){.spin-controls{top:auto;bottom:111px;padding:0 15px;border:1px solid #a1c9df24;background:#05101cd9;backdrop-filter:blur(14px);border-radius:25px}.spin-controls button{font-size:11px}.scene-inquiry:has(.inquiry-answer:not([hidden])):before{content:'';position:absolute;z-index:-1;inset:-100px -5vw -40px -90px;background:radial-gradient(ellipse at 70% 65%,#050f1bf5 20%,#050f1be0 52%,#050f1b00 75%);pointer-events:none}.inquiry-answer{background:none;backdrop-filter:none;border:0;box-shadow:none;border-radius:0;padding:0 0 15px}.inquiry-answer-top{border-bottom:1px solid #bedfeb40;padding-bottom:10px}.inquiry-answer h3{margin-top:20px}.scene-inquiry{isolation:isolate}}
@media(max-width:700px){.spin-controls{top:457px;border-radius:24px;padding:0 12px;gap:17px;background:#05101cc9;backdrop-filter:blur(12px);border:1px solid #a1c9df26}.inquiry-options button{min-height:44px}.inquiry-answer-top button{min-width:44px;min-height:44px}}
@media(max-width:700px) and (min-height:900px){.spin-controls{top:510px}}
/* Full-screen sections already position their content below the navigation.
   Cancel the document's anchor padding so #film enters the first chapter,
   rather than stopping inside the tunnel where chapter text is hidden. */
#film,#plan{scroll-margin-top:-105px}#your-brief{scroll-margin-top:0}
@media(max-width:700px){#film,#plan{scroll-margin-top:-78px}}
@media(max-width:700px){.hero-atmosphere .spin-video{object-fit:cover}.hero-atmosphere{mask-image:linear-gradient(transparent,#000 17%,#000 60%,transparent 100%)}.film-viewport{aspect-ratio:16/11}}
@media(max-width:700px) and (max-height:740px){.stage .film-viewport{aspect-ratio:16/8}}
.menu-notebook{background:none;display:flex;gap:10px;align-items:center;font-size:13px;min-height:44px;padding:8px 0}.menu-notebook>span{font-size:11px;color:#8caec5}.inspect-link{display:none}
@media(max-width:700px){.annotation-band{overscroll-behavior:auto}.inquiry-answer{overscroll-behavior:contain}.story-description{font-size:15px}.inquiry-answer h3:focus-visible{outline:0;border-left:2px solid var(--cyan);padding-left:10px}.annotation-actions{justify-content:flex-start}}
@media(max-width:700px) and (max-height:740px){.story-description{font-size:13px}}
@media(max-width:700px){.annotation-band{overflow:visible}.story-content{min-height:0;overflow-y:auto;overscroll-behavior:auto;flex:1;padding-right:6px;scrollbar-width:thin;scrollbar-color:#5b7d94 transparent}.story-content::-webkit-scrollbar{width:2px}.story-content::-webkit-scrollbar-thumb{background:#5b7d94}.annotation-actions{flex:none;padding-bottom:5px}.inquiry-options:has(button:nth-child(4)){display:grid;grid-template-columns:1fr 1fr}.inquiry-options:has(button:nth-child(4)) button{justify-content:space-between}}
@media(max-width:700px){.scene-inquiry{z-index:6}.inquiry-answer{max-height:min(540px,calc(100svh - 250px))}.inquiry-answer-top{position:sticky;top:0;background:#091a2c;z-index:2;padding-block:3px}}
@media(min-width:701px){.spin-controls{top:103px;right:var(--gutter);bottom:auto;left:auto;transform:none}.hero-bottom h1{font-size:clamp(40px,4.25vw,68px)}.film-shade{background:radial-gradient(ellipse 65% 62% at 16% 100%,#050814f7 24%,#050814b3 60%,#05081400 100%),linear-gradient(0deg,#050814 0%,#05081455 12%,#05081400 35%)}}
@media(max-width:1050px) and (min-width:701px){.hero-bottom h1{font-size:42px}.hero-invitation{max-width:290px}}
@media(max-width:700px){.spin-controls{top:83px}.hero-identity{top:145px}.hero-identity>p{display:none}.hero-bottom h1{font-size:35px;line-height:1.18}.hero-invitation>p br:nth-child(2){display:block}}
@media(max-width:380px){.hero-bottom h1{font-size:31px}.hero-bottom{bottom:82px}.hero-identity{top:140px}}
.chapter-utilities{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:0 0 15px;padding-bottom:16px;border-bottom:1px solid var(--line)}
#storyTitle:focus-visible,#inquiryTitle:focus-visible{outline:0;border-left:2px solid var(--cyan);padding-left:12px;margin-left:-14px}.inquiry-answer-top button{min-width:44px;min-height:44px}.stage{min-height:0}
@media(min-width:701px) and (max-height:650px){.annotation-band{bottom:81px}.story-content h2{font-size:29px}.story-kicker{margin-bottom:10px}.story-description{font-size:13px;margin-top:12px}.annotation-actions{margin-top:8px}.scene-inquiry{bottom:86px}.scene-inquiry .inquiry-answer{position:fixed;top:90px;bottom:85px;right:var(--gutter);width:min(410px,45vw);margin:0;padding:17px 21px;background:#091a2cf5;border:1px solid #b2d7ee38;overflow-y:auto;overscroll-behavior:contain}.scene-inquiry .inquiry-answer-top{position:sticky;top:0;background:#091a2c;z-index:2}}
.project-planner:has(.plan-form[hidden]) .planner-heading{display:none}#briefTitle:focus-visible{outline:0;border-left:2px solid var(--cyan);padding-left:12px;margin-left:-14px}
@media(max-width:700px){.inquiry-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.inquiry-options button{padding:8px 9px;gap:6px;text-align:left;justify-content:space-between;line-height:1.35}.inquiry-options button>span{flex:none;font-size:13px}}

/* In-scene guides: one responsibility or conversation at a time. */
.guide-control{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px 14px;margin:15px 0 19px;padding-bottom:15px;border-bottom:1px solid #bedfeb30}
.guide-control>label{grid-column:1/-1;font-size:11px;color:#9bb8ca}
.guide-control select{width:100%;min-width:0;min-height:44px;border:1px solid #89b4cd50;border-radius:3px;background:#0b2032;color:#edf6fb;padding:9px 25px 9px 11px;font:500 13px var(--body)}
.guide-navigation{display:flex;align-items:center;gap:6px;font-size:10px;color:#a8c9dd;font-variant-numeric:tabular-nums}
.guide-navigation button{background:none;padding:0;width:30px;min-height:44px;font-size:19px;color:#b0e3f7}.guide-navigation button:disabled{opacity:.25;cursor:default}
.guide-context>div{margin-top:18px}.guide-context h4{font:500 11px var(--body);color:#e2bf7c;letter-spacing:.02em;margin-bottom:6px}.guide-context p{font-size:14px;line-height:1.65;color:#d0e2ee}
.inquiry-answer:has(.guide-control:not([hidden])) h3{font-size:23px}.inquiry-answer:has(.guide-control:not([hidden])) .inquiry-body>p{font-size:14px}.inquiry-answer:has(.guide-control:not([hidden])){max-height:calc(100svh - 280px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#567d98 transparent;overscroll-behavior:contain}
#explorePanel .guide-context h4{font-size:12px;margin:20px 0 5px;color:#e2bf7c}#explorePanel .guide-context p{margin:0;font-size:16px}.inspector-content .guide-control{margin-top:24px}.inspector-content .guide-control select{font-size:15px}
@media(min-width:701px){.scene-inquiry:has(.guide-control:not([hidden])){width:min(410px,34vw)}.inquiry-answer:has(.guide-control:not([hidden])){padding-right:10px}.inquiry-answer:has(.guide-control:not([hidden])) .inquiry-answer-top{position:sticky;top:0;background:#071523;z-index:2}.guide-context p{font-size:14px}}
@media(max-width:700px){.guide-control{gap:6px;margin-top:8px}.guide-control select{font-size:12px}.guide-navigation{gap:2px}.guide-navigation button{width:28px}.inquiry-answer:has(.guide-control:not([hidden])){max-height:calc(100svh - 235px)}.inquiry-answer:has(.guide-control:not([hidden])) h3{font-size:22px}.guide-context>div{margin-top:14px}.guide-context p{font-size:14px}.inquiry-options button{font-size:11px}}

.brief-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 45px}

.guide-control>label{font-size:12px}.guide-navigation{font-size:11px}

.guide-summary{grid-column:1/-1;font-size:12px;line-height:1.65;color:#a9c5d8;margin-bottom:8px}.inspector-content .guide-summary{font-size:14px}.inquiry-answer:has(.guide-control:not([hidden])){padding-bottom:10px}
@media(min-width:701px) and (max-width:1100px) and (min-height:651px){.inquiry-answer:has(.guide-control:not([hidden])){max-height:calc(100svh - 360px)}.inquiry-options button{font-size:11px;padding-inline:10px;gap:8px}.scene-inquiry:has(.guide-control:not([hidden])) .inquiry-options{display:grid;grid-template-columns:1fr 1fr}.scene-inquiry:has(.guide-control:not([hidden])) .inquiry-options button{justify-content:space-between}}

.inquiry-answer{display:flex;flex-direction:column;overflow:hidden!important}.inquiry-answer-top,.inquiry-actions{flex:none}.inquiry-body{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#557f99 transparent;padding-right:6px}.inquiry-actions{border-top:1px solid #bedfeb25;padding-top:5px;margin-top:12px}.inquiry-body::-webkit-scrollbar{width:3px}.inquiry-body::-webkit-scrollbar-thumb{background:#557f99;border-radius:2px}

@media(min-width:701px) and (max-width:1100px) and (min-height:651px){.inquiry-answer:has(.guide-control:not([hidden])){max-height:calc(100svh - 305px)}.scene-inquiry:has(.guide-control:not([hidden])) .inquiry-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.scene-inquiry:has(.guide-control:not([hidden])) .inquiry-options button{padding:7px;font-size:11px;gap:5px;text-align:left;line-height:1.3}.guide-control{margin:10px 0 13px;padding-bottom:10px}.guide-summary{margin-bottom:3px}}

/* A longer native scroll gives both the film and its transition room to breathe. */
.hero-transition{--hero-size:max(840px,100svh);--handoff-distance:600svh;position:relative;z-index:2;height:calc(var(--hero-size) + var(--handoff-distance));pointer-events:none}
.hero-transition .spin-hero{position:sticky;top:calc(100svh - var(--hero-size));height:var(--hero-size);max-height:none;pointer-events:auto;will-change:opacity}
.hero-transition .spin-hero[inert]{pointer-events:none}
.hero-transition .hero-identity,.hero-transition .spin-controls,.hero-transition .hero-bottom,.hero-transition .hero-edge{opacity:var(--hero-copy-opacity,1)}
.hero-transition+.story{margin-top:-100svh;z-index:1}
.handoff-visual{position:absolute;inset:0;pointer-events:none;visibility:hidden;background:var(--space);overflow:hidden}
.handoff-visual.is-presenting{visibility:visible}
/* Hidden sections retain their join frame without compositing under the shot. */
.stage[inert],.hero-transition[data-handoff=film] .spin-hero{visibility:hidden}
.spin-hero:has(.handoff-visual.is-presenting) .hero-atmosphere{visibility:hidden}
.handoff-visual video,.handoff-visual .cached-video-frame{position:absolute;left:var(--handoff-left,0px);top:var(--handoff-top,0px);width:var(--handoff-width,100%);height:var(--handoff-height,100%);object-fit:cover;display:block;mask-image:none}
.handoff-shade{position:absolute;pointer-events:none}
.stage>.stage-topline,.stage>.annotation-band,.stage>.scene-inquiry,.stage>.journey-rail,.stage>.progress-track{opacity:var(--film-ui-opacity,0)}
/* The first words emerge with the Earth. Layout and native scroll stay still;
   only the small text layers move, with no blur or full-screen filter. */
.arrival-line{display:block;overflow:hidden;padding-bottom:.07em;margin-bottom:-.07em}
.arrival-line>span{display:block}
.stage[data-arrival=waiting] :is(.story-kicker,.arrival-line>span,.story-description,.story-detail,.annotation-actions,.stage-topline,.scene-inquiry,.journey-rail,.progress-track){opacity:0}
.stage[data-arrival=waiting] :is(.annotation-actions,.stage-topline,.scene-inquiry,.journey-rail,.progress-track){pointer-events:none}
@media(max-width:700px){.hero-transition{--hero-size:max(800px,100svh)}}


/* One full-bleed picture at every viewport size, for native and cached frames. */
.spin-video{mix-blend-mode:normal}
.hero-atmosphere{inset:0;display:block;overflow:hidden;mask-image:none}
.hero-atmosphere .spin-video{position:absolute;inset:0;display:block;width:100%;height:100%;max-width:none;max-height:none;aspect-ratio:auto;object-fit:cover;object-position:center;mask-image:none}
.hero-atmosphere:after{background:linear-gradient(90deg,#05081440,transparent 25%,transparent 75%,#05081440),linear-gradient(0deg,#050814,transparent 45%)}
.spin-live{display:inline-flex;align-items:center;gap:8px;color:#a8cfe2;font-size:11px;min-height:44px}
.spin-live i{display:block;width:5px;height:5px;flex:none;background:#6cd7f6;border-radius:50%}
@media(max-width:700px){.spin-live{font-size:10px}.spin-controls{gap:16px}}
html[data-motion=reduce] .spin-live i{background:#809dad}
@media(max-width:700px){
  .hero-atmosphere:after{background:linear-gradient(0deg,#050814 0%,#050814dc 18%,#05081450 42%,transparent 62%)}
}

/* Cached source frames occupy exactly the same picture bounds. */
.film-viewport>.cached-video-frame{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.cinema-mode .film-viewport>.cached-video-frame,.cinema-mode .story-video{object-fit:cover}
.hero-atmosphere>.cached-video-frame{grid-area:1/1;pointer-events:none}
.hero-atmosphere>.spin-video{grid-area:1/1}
.handoff-visual>.cached-video-frame{pointer-events:none}
.progress-track #progressFill{width:100%;transform:scaleX(0);transform-origin:left center}

/* Phone-sized choices and a clear closing invitation. */
.select-chevron{display:block;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:700px){
  .site-header{background:var(--space);border-bottom:1px solid #bad9ef12}
  .header-cta{backdrop-filter:none}
  .project-planner{padding:58px 24px 36px}
  #plan{scroll-margin-top:-38px}
  .planner-heading{text-align:left;max-width:440px}
  .planner-heading .plan-symbol{display:none}
  .planner-heading>p:first-of-type{font-size:12px;margin-bottom:14px;color:#a2c7db}
  .planner-heading h2{font-size:clamp(30px,8.2vw,38px);line-height:1.15;max-width:12ch}
  .planner-heading>p:last-child{font-size:14px;line-height:1.7;margin-top:18px;max-width:35ch}
  .plan-form{max-width:440px;margin-top:30px}
  .plan-sentence{margin:0 0 20px;font-size:17px;letter-spacing:0}
  .plan-sentence>label{font-size:13px;line-height:1.4;margin-bottom:9px;color:#a6bdcc}
  .select-wrap{min-width:0;border:1px solid #a3d7ed38;border-radius:8px;background:#0a1726}
  .select-wrap:focus-within{border-color:var(--cyan)}
  .select-wrap select{field-sizing:fixed;min-width:0;min-height:56px;width:100%;padding:15px 43px 15px 16px;font:400 17px/1.4 var(--body);letter-spacing:0;border-radius:8px}
  #planMeasure.long-value{font-size:clamp(12px,3.45vw,16px)}
  .select-wrap>span{right:17px;font-size:16px}
  .create-brief{margin-top:27px;min-height:56px;padding:15px 20px;font-size:14px}
  .plan-privacy{font-size:12px;line-height:1.5;margin-top:13px}
  .brief-scene-jump{max-width:440px;width:100%;justify-content:space-between;gap:16px;margin-top:28px;padding:18px 0 0;border-top:1px solid var(--line);font-size:13px;min-height:62px;text-align:left}
  .brief-scene-jump>span:last-child{flex:none}
  .invitation{padding:46px 24px 36px;text-align:left;border-top:1px solid #bad9ef14}
  .invitation>p,.invitation h2,.invitation>a{max-width:440px;margin-inline:auto}
  .invitation>p{font-size:12px;margin-bottom:18px}
  .invitation h2{font-size:clamp(33px,9vw,43px);line-height:1.14;letter-spacing:-.05em}
  .invitation h2 span{display:block}
  .invitation>a{width:100%;justify-content:space-between;gap:24px;min-height:54px;font-size:15px;margin-top:25px;margin-bottom:0;padding-bottom:8px}
  .invitation>a>span{font-size:24px}
  .site-footer{padding:17px 24px max(17px,env(safe-area-inset-bottom));gap:12px;font-size:12px;line-height:1.5;justify-content:space-between}
  .site-footer>a:last-child{gap:9px;min-height:44px}
  .site-footer>a:last-child .ui-arrow{width:15px;height:15px}
}

/* Let full-width surfaces reach the screen edges in iOS landscape, while
   navigation and copy keep clear of the camera cutout. */
.site-header,.journey-rail,.project-planner,.invitation,.site-footer{padding-left:max(var(--gutter),env(safe-area-inset-left));padding-right:max(var(--gutter),env(safe-area-inset-right))}
.hero-bottom,.hero-edge,.stage-topline{left:max(var(--gutter),env(safe-area-inset-left));right:max(var(--gutter),env(safe-area-inset-right))}